MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Telogen effluvium
>The growing, or anagen, stage is the predominant phase (80% to 90% of a person's hair is usually in the anagen phase). >A transitional, or catagen, stage. >Resting, or telogen, stage. When new hair growth is initiated, the new anagen hair…
Read the definitionRandom terms
Show more- Notifiable disease See: Reportable disease
- Medical school syndrome A form of acute hypochondriasis that affects most people in training to be a physician. For example, when…
- Klinefelter syndrome Klinefelter syndrome: A chromosome condition in boys and men that is usually due to 47 chromosomes with XXY…
- Living donor liver transplantation An option for patients who need a liver transplant. In this procedure, a healthy person (usually a family…
- Weighing, hydrostatic See: Underwater weighing
- Negative clinical trial A clinical trial that shows that a new treatment is inferior to standard treatment. See: Clinical trials. See…
- Myelogenous Referring to the nonlymphocytic groups of white blood cells, including the granulocytes, monocytes and…
- Pedophobia An abnormal and persistent fear of babies and children. Sufferers experience anxiety even though they realize…
- Infertility Infertility: The diminished ability or the inability to conceive and have offspring. Infertility is also…
- Dieldrin A chlorinated hydrocarbon insecticide. See: Aldrin and dieldrin
- Salubrious Good for the health. Healthy. Promoting health or well-being. Wholesome. For example, smog is far from…
- Sepsis Commonly called a 'blood stream infection.' The presence of bacteria (bacteremia) or other infectious…